ctd when starting new civ

hi I changed habitable planets to common from everywhere and it crashed. It was ok the game before.

OS Version : Windows XP
Video Card : NVIDIA GeForce4 Ti 4400
Application Exception code: C0000005 ACCESS_VIOLATION
Crash Addr: 0046B123 01:0006A123 C:\PROGRA~1\DRENGIN.NET\galciv\galciv.exe

Processor Registers (x86):
EAX:107E6FD0
EBX:7FFDF000
ECX:11E67980
EDX:CDCDCDCD
ESI:0D6A0040
EDI:70A71A29
CS:EIP:001B:0046B123
SS:ESP:0023:00C2FA1C EBP:00C2FC90
DS:0023 ES:0023 FS:003B GS:0000
Flags:00010202


Current Application Call Stack:

Addr Frame Logical addr Module Name
---------------------------------------------
0046B123 00C2FC90 0001:0006A123 C:\PROGRA~1\DRENGIN.NET\galciv\galciv.exe
0046A810 00C2FE04 0001:00069810 C:\PROGRA~1\DRENGIN.NET\galciv\galciv.exe
004F6B90 00C2FE60 0001:000F5B90 C:\PROGRA~1\DRENGIN.NET\galciv\galciv.exe
004DF29E 00C2FEBC 0001:000DE29E C:\PROGRA~1\DRENGIN.NET\galciv\galciv.exe
005435E0 00C2FF30 0001:001425E0 C:\PROGRA~1\DRENGIN.NET\galciv\galciv.exe
00580C36 00C2FFC0 0001:0017FC36 C:\PROGRA~1\DRENGIN.NET\galciv\galciv.exe
77E814C7 00C2FFF0 0001:000204C7 C:\WINDOWS\system32\kernel32.dll


Debug information for each stardock app follows ....